Mucosal T-cell responses to HIV: responding at the front lines.

Mucosal T-cell responses to HIV: responding at the front lines.
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DOI:
10.1111/j.1365-2796.2008.02042.x
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发表时间:
2009-01
影响因子:
11.1
通讯作者:
Hayes TL
Hayes TL
中科院分区:
医学1区
文献类型:
--
作者:
Shacklett BL;Critchfield JW;Ferre AL;Hayes TL

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人体的粘膜表面是人类免疫缺陷病毒(HIV)进入的主要门户。这些组织还容纳了身体的大部分淋巴细胞,包括作为HIV感染的主要细胞靶点的CD4+ T细胞。粘液表面由先天性和适应性免疫机制保护,包括分泌的抗体和CD8+细胞毒性T细胞(CTL)。粘膜淋巴组织中的CTL可用于限制病毒复制,降低宿主的病毒负荷,以及降低性传播到未感染宿主的可能性。本文综述了近年来有关粘膜组织中HIV特异性T细胞反应的文献,重点是胃肠道。
Mucosal surfaces of the body serve as the major portal of entry for human immunodeficiency virus (HIV). These tissues also house a majority of the body’s lymphocytes, including the CD4+ T-cells that are the major cellular target for HIV infection. Mucosal surfaces are defended by innate and adaptive immune mechanisms, including secreted antibodies and CD8+ cytotoxic T-cells (CTL). CTL in mucosal lymphoid tissues may serve to limit viral replication, decreasing the host’s viral burden as well as reducing the likelihood of sexual transmission to a naive host. This review summarizes recent literature on HIV-specific T-cell responses in mucosal tissues, with an emphasis on the gastrointestinal tract.
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